Home / 165,234.64-228,019.80-92,632.72

Finding the Fourth Proportional to 165,234.64, 228,019.80 and 92,632.72

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Solution

The fourth proportional to 165,234.64, 228,019.80 and 92,632.72 is: 127,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,234.64 : 228,019.80 = 92,632.72 : x
  2. Step 2: Convert to fraction form
    165,234.64/228,019.80 = 92,632.72/x
  3. Step 3: Cross multiply
    165,234.64x = 228,019.80 × 92,632.72
  4. Step 4: Simplify right side
    165,234.64x = 21,122,094,287.86
  5. Step 5: Solve for x
    x = 21,122,094,287.86/165,234.64
  6. Step 6: Final answer
    x = 127,830.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.